DATA LOGGER SOUND LEVEL METER
20
III. SPECIFICATIONS
Standard applied:
IEC651 Type2, ANSI S1.4 Type2.
Frequency range:
31.5Hz ~ 8KHz
Measuring level range: 30 ~ 130dB
Frequency weighting: A / C
Microphone:
1/2 inch electret condenser microphone
Display:
LCD
Digital display:
4 digits
Resolution:
0.1dB
Display Update: 0.5 sec.
Analog display:
50 segment bargraph
Resolution:
1dB
Display Update: 50 mS
Time weighting:
FAST ( 125 ms ), SLOW ( 1 sec. )
Level ranges:
Lo:
30 – 80 dB
Med:
50 – 100 dB
Hi:
80 – 130 dB
Auto:
30 – 130 dB
Accuracy:
±1.5dB ( under reference conditions @ 94dB,
1KHz )
Dynamic range:
100 dB
Alarm function:
“OVER” is when input is more than upper limit of
range.
“ UNDER ” is when input is Less than lower limit
of range.
MAX/MIN hold:
Hold readings the Maximum and Minimum
Value.
AC output:
1 Vrms at FS ( full scale ).
Output impedance:
Approx. 100
Ω
FS:
means the upper limit of each level range.
DC output:
10mV / dB , output impedance approx. 1K
Ω
Power supply:
One 9V battery, 006P or IEC 6F22 or NEDA
1604.
Power life:
About 50hrs ( alkaline battery )
Содержание 5020-0322
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